package com.langsin.liuwenqiu.mapper;


import com.langsin.bean.Worker;

import java.util.List;

/**
 * 就是 WorkerDao
 */
public interface WorkerMapper {

    int insertWorker(Worker worker);

    List<Worker> selectByAge(Integer age);

    int insertWorker2(Worker worker);

    int updateWorkerByCondition(Worker worker );
}
